@ARTICLE{TreeBASE2Ref25652, author = {Naoki Endo and Wanwisa Fangfuk and Daisuke Sakuma and Eiji Hadano and Atsuko Hadano and Yasuaki Murakami and Cherdchai Phosri and Norihisa Matsushita and Masaki Fukuda and Akiyoshi Yamada}, title = {Reevaluation of Japanese yellow-cap Caesar?s mushrooms and a new species description, Amanita kitamagotake sp. nov.}, year = {2016}, keywords = {Basidiospore, Basidia, Chatamagotake, ITS phylogeny, Kitamagotake, Yellow color variant}, doi = {}, url = {http://}, pmid = {}, journal = {Mycoscience}, volume = {}, number = {}, pages = {}, abstract = {A Japanese uniformly yellow-cap Caesar?s mushroom, ?Kitamagotake?, formerly identified as Amanita javanica was taxonomically reevaluated. The Japanese Kitamagotake specimens were morphologically distinguished from Southeast Asian A. javanica sensu stricto. Phylogenetic analysis of the internal transcribed spacer (ITS) region of nuclear ribosomal RNA gene showed that Kitamagotake specimens formed an independent clade that was distant from that of A. javanica. Therefore, we described here Kitamagotake as a new species, Amanita kitamagotake sp. nov. Interestingly, Japanese yellow-cap Caesar?s mushrooms contained yellow-color variant specimens of A. caesareoides (normally red-cap) and A. aff. similis (normally olive-brown-cap), both of which could lead misidentification as A. kitamagotake. Especially, original specimen of Japanese A. javanica did not correspond morphologically to A. kitamagotake but was decided as the yellow-color variant of A. aff. similis. These results strongly suggest the importance of precise morphological observation and molecular analysis for the precise identification of yellow-cap Caesar?s mushroom species.} }

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